Home / 1,124,104,918.15-1,551,427,049.78-647,704,045.09

Finding the Fourth Proportional to 1,124,104,918.15, 1,551,427,049.78 and 647,704,045.09

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Solution

The fourth proportional to 1,124,104,918.15, 1,551,427,049.78 and 647,704,045.09 is: 893,925,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,104,918.15 : 1,551,427,049.78 = 647,704,045.09 : x
  2. Step 2: Convert to fraction form
    1,124,104,918.15/1,551,427,049.78 = 647,704,045.09/x
  3. Step 3: Cross multiply
    1,124,104,918.15x = 1,551,427,049.78 × 647,704,045.09
  4. Step 4: Simplify right side
    1,124,104,918.15x = 1,004,865,575,797,433,728
  5. Step 5: Solve for x
    x = 1,004,865,575,797,433,728/1,124,104,918.15
  6. Step 6: Final answer
    x = 893,925,077.25

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Double scale
Find fourth proportional to 1,124,104,919.15, 1,551,427,051.16 and 647,704,046.09
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.